Product of optimism and knowledge is a constant.

- Lev Landau

A method is more important than a discovery, since the right method will lead to new and even more important discoveries.

- Lev Landau

Money is in the exponent. And exponent needs to be calculated precisely.

- Lev Landau

We mathematicans are all a bit crazy.

- Lev Landau

Why add prime numbers? Prime numbers are made to be multiplied, not added.

- Lev Landau

Everybody has a capacity for a happy life. All these talks about how difficult times we live in, that's just a clever way to justify fear and lazines…

- Lev Landau

Cosmologists are often in error, but never in doubt

- Lev Landau

Most important part of doing physics is the knowledge of approximation.

- Lev Landau